[Homeroast] Distilled H2O

Mike Chester mchet at charter.net
Mon Jun 3 20:03:33 CDT 2013

Since I bought my La Marzocco GS-3, I have only used RO water which is close 
to distilled purity. My coffee is the best that I have tasted and I have no 
issue with the auto fill on either boiler. I have never flushed the boilers 
and I recently had it gone over by a professional shop for a basic tune-up. 
The tech said that my boilers looked like new and had no residue in them. It 
is not broke, so I am not going to fix it.


-----Original Message----- 
From: miKe mcKoffee
Sent: Monday, June 03, 2013 7:50 PM
To: 'A list to discuss home coffee roasting. There are rules for 
thislist,available at http://www.sweetmarias.com/maillistinfo.html'
Subject: Re: [Homeroast] Distilled H2O

-----Original Message-----
From: Homeroast [mailto:homeroast-bounces at lists.sweetmariascoffee.com] On
Behalf Of J3R
Sent: Monday, June 03, 2013 4:06 PM
To: A list to discuss home coffee roasting. There are rules for this
list,available at http://www.sweetmarias.com/maillistinfo.html
Subject: Re: [Homeroast] Distilled H2O

On 13-06-03 07:00 PM, Sandy Andina wrote:
> Depends on how good your tap water tastes (whether or not you filter it)
or if you use bottled natural spring water as I do for my espresso machine.
I tried distilled water for drip, and the coffee tasted flat--I have good
tap water and I use it filtered for drip.  Never use distilled in an
espresso machine, since both auto-boiler refill and tank sensors need a
trace of minerals to detect water.
> Peace & Song,
> Sandy Andina
> www.sandyandina.com
I will just add that I have used distilled water in my Behmor Brazen, in my
Lelit espresso machine and in my Gaggia platinum vision (and aeropress,
syphon machine, tea, etc) for over a year and I have had no problems. YMMV.

> Jer

Neither the Lelit or Gaggia Super Auto have a dedicated steam boiler which
to my knowledge always has water level sensor for auto-fill. In fact I don't
know of any single boiler dual use espresso machines with auto-fill feature
and hence don't have auto-fill sensor. However most (all I know of and know
many in good detail) water tank models use a weight based not electrical
current method for water tank running low so water mineral content
irrelevant in that respect.

I also don't know a single coffee professional that doesn't find water with
a slight mineral content superior to distilled in the brewed cup. Which is
irrelevant to what floats your boat.

Mike McGinness, Head Bean
Compass Coffee

Ultimately the quest for Coffee Nirvana is a solitary path. To know I must
first not know. And in knowing know I know not. Each Personal enlightenment
found exploring the many divergent foot steps of Those who have gone before.

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